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Torque
Definition:
Torque is a measure of the rotational force applied to an object around an axis. It is the product of the force applied to the object and the distance between the axis of rotation and the point where the force is applied. In simpler terms, torque is the ability of a force to rotate an object around a pivot point.
The Concept of Torque
Torque is a fundamental concept in physics and engineering, particularly in the field of mechanics. In simple terms, torque is a measure of the rotational force that an object experiences around an axis or pivot point. It is the product of force and the distance from the axis at which the force is applied.
Understanding Torque:
Imagine trying to loosen a stubborn bolt with a wrench. The amount of torque you apply will determine whether you succeed in turning the bolt. Torque depends not only on the magnitude of the force you exert but also on the distance from the pivot point. This is why a longer wrench provides more torque than a shorter one for the same force applied.
Formula for Torque:
The mathematical formula for torque is:
Torque = Force x Distance
Where:
- Torque is measured in units such as Newton-meters (Nm) in the metric system or foot-pounds (ft-lb) in the imperial system.
- Force is the perpendicular force applied to the object, typically measured in Newtons (N) or pounds-force (lbf).
- Distance is the distance between the axis of rotation and the point where the force is applied, often measured in meters or feet.
Applications of Torque:
Torque plays a crucial role in various mechanical systems, such as engines, motors, and gears. In cars, torque is essential for providing the rotational force needed to turn the wheels and propel the vehicle forward. In industrial machinery, torque is used to power equipment and perform tasks requiring rotational motion.
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